15308+7256 MLR 191

 
 
15h 30m 50.34s +72 56' 10.9" P.A. 273 sep 1.9 mag 8.13,11.32 Sp K0 dist. 209.21 pc (682.44 l.y.)
 
 
Coord 2000
15308+7256
Discov num
MLR 191
Comp
Coord arcsec 2000
15 30 50.34 +72 56 10.9
Date first
1971
Date last
2006
Obs
10
Pa first
270
Pa last
273
P.A. Now (θ)
273°
Sep first
1.5
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
8.13
Mag sec
11.32
delta mag (ΔM)
3.19
Spectral class
K0 (yellow-orange)
Pri motion ra
+025
Sec motion ra
+024
Pri motion dec
-025
Sec motion dec
-024
Notes
rPM=0.04 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
273.3
Precise sep
1.92
Constellation
Ursa Minor
SAO
8266
HIP
75963
Tycho2
4418-01436-1
HD
139152
BD
BD+73 680
Distance
209.21
Distance ly
682.44
last precise pa
273.3
last precise sep
1.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15308+7256 MLR 191 1996 9 283 1.7 8.13 11.32 K0 153050.34+725610.9
15308+7256 MLR 191 2006 10 273 1.9 8.13 11.32 K0 153050.34+725610.9

If you need more information about this double, apply for a data request form to the WDS.